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From: chetan patil <chtpatil AT gmail DOT com>
Date: Tue, 3 Jan 2012 20:31:54 +0530
Message-ID: <CAF0dY_tG6hcjEJGWK_vW3FJgQFGaeZs5ndmQHOpyqc58FocnBQ@mail.gmail.com>
Subject: Re: [geda-help] Query gschem and PCB designer
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Hi,

Thanks for replying.

On Tue, Jan 3, 2012 at 8:20 PM, DJ Delorie <dj AT delorie DOT com> wrote:

>
> Most of your schematic elements are missing "footprint" attributes.
> PCB and gsch2pcb use these to determine the copper footprint needed
> for each component; without them the component cannot be added to your
> layout.
>

Yes. I figured it out.

However I don't understand which footprint name to write. As I am not able
to get database of gschem, so that I come to know that for resistors I have
to use this nomenclature and for that diode I have to opt for this
nomenclature.

And in some cases I get default correct footprint name such as for
Transistor BC547.

So as a new user it becomes really confusing.

I also tried things by downloading external footprints and using it in
terminal command by pointing it to that directory with .sch file. Here too
bad luck.

Any tips in such scenario ?

Also, I note that your U1 was drawn on the schematic using lines and
> text, rather than being created as a custom symbol and added to the
> schematic as a symbol.  The netlisters will not be able to process
> that kind of drawing as a symbol.
>

Ok. I'll add symbols using http://www.gedasymbols.org/


> As a side note, if you are trying to use the jumpers to implement a
> single-sided board, it's easier to just draw the schematic without
> them (i.e. just connect the nets as needed) and implement the jumpers
> using a separate layer in PCB.  It's still your responsibility to put
> them where they're needed, but it cleans up the schematic.
>

Thanks For this tip.


-- 
Thank You and Warm Regards,

Chetan Arvind Patil,
www.chetanpatil.info

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Hi, <br><br>Thanks for replying.<br><br><div class=3D"gmail_quote">On Tue, =
Jan 3, 2012 at 8:20 PM, DJ Delorie <span dir=3D"ltr">&lt;<a href=3D"mailto:=
dj AT delorie DOT com">dj AT delorie DOT com</a>&gt;</span> wrote:<br><blockquote class=
=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padd=
ing-left:1ex">

<br>
Most of your schematic elements are missing &quot;footprint&quot; attribute=
s.<br>
PCB and gsch2pcb use these to determine the copper footprint needed<br>
for each component; without them the component cannot be added to your layo=
ut.<br></blockquote><div><br>Yes. I figured it out. <br><br>However I don&#=
39;t understand which footprint name to write. As I am not able to get data=
base of gschem, so that I come to know that for resistors I have to use thi=
s nomenclature and for that diode I have to opt for this nomenclature. <br>

<br>And in some cases I get default correct footprint name such as for Tran=
sistor BC547.<br><br>So as a new user it becomes really confusing. <br><br>=
I also tried things by downloading external footprints and using it in term=
inal command by pointing it to that directory with .sch file. Here too bad =
luck.<br>

<br>Any tips in such scenario ?<br><br></div><blockquote class=3D"gmail_quo=
te" style=3D"margin:0pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204,204,204=
);padding-left:1ex">
Also, I note that your U1 was drawn on the schematic using lines and<br>
text, rather than being created as a custom symbol and added to the<br>
schematic as a symbol. =A0The netlisters will not be able to process<br>
that kind of drawing as a symbol.<br></blockquote><div><br>Ok. I&#39;ll add=
 symbols using <a href=3D"http://www.gedasymbols.org/">http://www.gedasymbo=
ls.org/</a><br>=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0=
pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">



As a side note, if you are trying to use the jumpers to implement a<br>
single-sided board, it&#39;s easier to just draw the schematic without<br>
them (i.e. just connect the nets as needed) and implement the jumpers<br>
using a separate layer in PCB. =A0It&#39;s still your responsibility to put=
<br>
them where they&#39;re needed, but it cleans up the schematic.<br>
</blockquote></div><br>Thanks For this tip. <br><br clear=3D"all"><br>-- <b=
r><div>Thank You and Warm Regards,</div><div>=A0<br>Chetan Arvind Patil,<br=
><a href=3D"http://www.chetanpatil.info/" target=3D"_blank">www.chetanpatil=
.info</a><br>

</div><div><br></div><div><br></div><br>

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